Proenza Schouler launched its first collaboration in 2010, when they created an exclusive collection of hand painted denim with J Brand. In the same year, they collaborated with filmmaker Harmony Korine on their first original video, Act Da Fool, featuring the Fall 2010 collection. In 2013, Proenza Schouler celebrated their 10th anniversary by releasing a limited reissue of its Fall 2003 collection for Barney’s New York. The following year, in 2014, the designers collaborated with MAC Cosmetics on a limited-edition makeup collection. The same year, the brand partnered with Parisian department store Le Bon Marché Rive Gauche for a capsule collection and exhibition. The exhibit allowed consumers to explore the world of Proenza Schouler through a display of 80 looks from past runway collections, a documentary about the brand, and an interactive 3-D cub installation. The following year, they collaborated with Harley Weir and Jen Brill on an original video, Legs Are Not Doors, featuring the 2015 Spring Collection. Proenza Schouler once again collaborated with Harley Weir and Jen Brill in 2016 on their second original video together, PS I Love You (Ithigi Lithigove Yithigou), featuring the Pre-Fall 2016 collection.

McCollough and Hernandez met while studying at Parsons School of Design, collaborating on their senior thesis, which would eventually become their first collection as Proenza Schouler. The collection was bought in its entirety by Barneys New York. In 2008, Proenza Schouler introduced its first shoe collection, licensed through Giuseppe Zanotti, Vicini SpA. Later that year, Proenza Schouler launched its first handbag, the PS1, a satchel that has become the brand’s signature. In 2012, Proenza Schouler signed a new license agreement with Onward Luxury Group to produce their footwear collections. The brand expanded into swimwear in 2014 when they signed a licensing agreement with Swimwear Anywhere to produce and distribute swimwear. In June 2015, Proenza Schouler signed a licensing agreement with L’Oréal for the development and creation of fine fragrances.

Most recently, Proenza Schouler announced their exit from the traditional ready-to-wear calendar to align with the couture calendar. This switch changed the location of their runway shows from New York to Paris, and merged their main and pre-collections, only showing twice a year.

In November 2017 the brand will launch a “sister” collection of casual basics like denim and T-shirts called White Label.